Bar Graphs and Histograms Examples
Example 1
Tim gets $5 per week, Penelope gets $10 per week, and Lu gets $7 per week. Not because Penelope is older or works the hardest. Her parents just like her best. Compare the weekly allowances of the children using a bar graph. 
Example 2
The salaries of three employees are compared in the bar graph below. Use the bar graph to answer the questions.

Example 3
Different cats were weighed. We had a tough time getting them all to sit on the scale without scratching us half to death. Anyway, we finally found them to have the following weights, in pounds. . (a) Draw a histogram for the data with interval 1 pound. 
Example 4
Use the histogram to answer the following questions.

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